25434016039 has 2 divisors, whose sum is σ = 25434016040. Its totient is φ = 25434016038.

The previous prime is 25434016033. The next prime is 25434016079. The reversal of 25434016039 is 93061043452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25434016039 - 2³ = 25434016031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25434015989 and 25434016007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25434016031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12717008019 + 12717008020.

It is an arithmetic number, because the mean of its divisors is an integer number (12717008020).

Almost surely, 2^25434016039 is an apocalyptic number.

25434016039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25434016039 is an equidigital number, since it uses as much as digits as its factorization.

25434016039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 25434016039 in words is "twenty-five billion, four hundred thirty-four million, sixteen thousand, thirty-nine".